ORA-01918

ORA-01918

ORA-01918 : user 'string' does not exist Cause : User does not exist in the system. Action : Verify the user name is correct. More Information To view a listing of all oracle users, execute the following SQL statement: SELECT * FROM ALL_USERS; To view a listing of all oracle roles, execute the following SQL statement: SELECT * FROM DBA_ROLES;

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